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The TalkPerfect Speech Transfer System is designed to improve communication at fixed screen security counters. The TalkPerfect Speech Transfer Kit 4 provides optional use of the POD microphone / POD speaker on both client and staff sides for aesthetic reasons. Based on proven, reliable and patented technology, the full duplex (two way) system amplifies speech for both the client and staff while minimizing background noise and actively reducing acoustic feedback.


One (1) TP-DX Talkperfect Duplex Amplifier
Two (2) TP-PDM POD Microphone
Two (2) TP-PDS POD Speaker


  • Full duplex (two way) Communication
  • Feedback and echo suppression built in
  • Multiple microphone and speaker options
  • Simple integration to CLD1 loop amplifier
  • Compact design
  • All connections on one panel for ease of installation
  • Fully adjustable gain on both channels
  • Low cost of ownership
  • 5 year warranty
Configurations & Architectural Specs


TP-K4 TalkPerfect Speech Transfer Kit 4

Architectural Specs

Furnish and install a speech transfer system designed to improve communication for fixed screen security counters. The system shall provide full duplex communication with built in feedback and echo suppression to maximize the audio gain before feedback. The system shall have two (2) microphone inputs suitable for unbalanced electret style microphones and two (2) speaker outputs with a frequency response of 20Hz – 10kHz, minimum load of 4 ohms and a maximum output level of + 14 dBu. The system shall have a 3.5mm staff override unbalanced line input/output to accommodate a staff headset. The system shall have fully adjustable audio gain adjustments with signal presence LEDs for both the staff and client side.  The system shall have a configurable mute or PTT (Push to Talk) function for the staff side. The system shall have an unbalanced line output suitable to drive a CLD1 counter loop system for use with clients that have T-coil equipped hearing aids.  The TP-K4 TalkPerfect Speech Transfer Kit 4 is specified.

Product Specifications


Speaker OutputTwo (2) Speaker Outputs< 0.5% THD @ 1kHz with +11dBu (1W into 8?)Bandwidth: 20Hz - 10kHz.Min load: 4?, Max output level:+14dBu
Microphone InputTwo (2) Microphone InputsSuitable for unbalanced electret capsulesDC bias voltage: 6V through 1k?Suitable source: 1k?Input impedance: 8k?Input noise level: -124dBu
Line OutputUnbalanced phono socket for connection to CLD1 line input - cable supplied


Control PortLED output connects to combi mic speaker toindicate if system is active i.e. Mute turns LED off.PTT & Mute are active low.+12Vdc for external module supply. 100mA fused


Staff OverrideUnbalanced Line I/O using 3.5mm jack socket.Input = Tip, Output = RingInput sensitivity -10dBu with 1k? sourceOutput level max: +4dBu, typical -10dBuOutput Z: 220?


Nominal Voltage12VDC, Quiescent: 170mA 2W, Maximum: 1.0A 12W


Shipping Weight9.0 lbs. (4.09 kg)
Dimensions (H x W x D)1.75 in. (44 mm) x 7.90 in. (200 mm) x 4.33 in. (110 mm)
Operating Temperature-10 to +45ºC, 20 to 90% humidity


StandardsFCC part 15, ICES-3 (B), UL, CUL, CE marked to all relevant safety and EMC standards.
QDoes Listen Technologies provide a cash tray?
ANo, there are lots of cash tray options. Google "pass through cash trays" for more information.
QCan a TalkPerfect Speech Transfer System be connected to a counter loop system?
AYes, there is a connection cable provided with each system. Order the CLD1-CX Compact Loop Driver separately to provide functionality with clients that have T-coil equipped hearing aids.
QWhat is the TalkPerfect Speech Transfer System warranty?
A5 year warranty dated for the time the equipment leaves Listen Technologies Corporation. TP-CMB400LED Combi Unit: 1 Year: Combined Speaker/Microphone Switch – The switch is rated to perform for 10,000 operations, which under typical operating conditions equates to approx 30 operations per day over a typical 5-7 day working week. The Combined Speaker/Microphone is considered a “Consumable” part.
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